Released: Exchange Server Role Requirements Calculator 8.4

Today, we released an updated version of the Exchange Server Role Requirements Calculator. This release focuses on bug fixes with the DAG auto-calculation functionality that was introduced in 8.3, as well as, support for ReplayLagMaxDelay. In addition to allowing you to configure the ReplayLagMaxDelay value (default is 24 hours), the calculator has also been updated…

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Released: Exchange Generate Message Profile Script v2.0.

Greetings Exchange Community! Today, I am pleased to announce the release of a major update to the Exchange Generate Message Profile script. This release primarily focuses on two enhancements. The first enhancement is the script will now use multiple “threads” (currently in the form of PowerShell jobs with Runspaces under consideration for a future version)…


Microsoft Graph Preview for Exchange 2016 customers

We are interested in working with Exchange 2016 customers or partners to help us validate Exchange hybrid scenarios using Microsoft Graph. This will be a self-paced development project where your developers will scope and get technical help to unblock Graph API issues from the product team. In order to participate, you will need to join…


Certificate-Based Authentication (CBA) for Exchange Online is Generally Available

Many organizations have been using certificate based authentication for Exchange Online while the feature was in preview. Today, we are excited to announce that the feature is generally available in Office 365 Enterprise, Business, Education, and Government plans. For more details, please reference our preview post which has been modified to reflect this announcement. As…


Released: December 2016 Quarterly Exchange Updates

Today we are announcing the latest set of Cumulative Updates for Exchange Server 2016 and Exchange Server 2013. These releases include fixes to customer reported issues and updated functionality. Exchange Server 2016 Cumulative Update 4 and Exchange Server 2013 Cumulative Update 15 are available on the Microsoft Download Center. Update Rollup 22 for Exchange Server…


Modern public folder deployment best practices

Introduction Since the release of Microsoft Exchange Server 2013, we have heard questions regarding the sizing and deployment of modern public folders. It is important to plan migrations for public folders so the client experience with their use is good. In this blog post, we will discuss some of best practices and recommendations regarding modern…


New Exchange Online migration options

We are in the process of rolling out a new migration experience that will greatly simplify your journey to Office 365 and Exchange Online. This new experience will help any customer running at least one Exchange 2010, 2013 and/or 2016 server on-premises to migrate to the cloud seamlessly. When you initiate the migration, we evaluate…


Help us test Exchange public folder migrations to Office 365 Groups

If you are using Public Folders (legacy or Modern) and would like to migrate some of them to Office 365 Groups, we are working on a solution for that. We are starting with the migration of Calendar folders and will move on to other types as we complete work on calendars. We would like to…


Multi-Factor Authentication in Exchange and Office 365

Multi-Factor Authentication (MFA), which includes Two-factor authentication (2FA), in Exchange Server and Office 365, is designed to protect against account and email compromise. Microsoft has evaluated recent reports of a potential bypass of 2FA. We have determined that the technique described is not a vulnerability and the potential bypass does not exist on properly configured…


Update on Windows Server 2016 and Exchange Server 2016

Update 12/13/2016: Please see the December 2016 Quarterly Exchange Updates blog post for updates on this subject. We wanted to raise your attention to an issue that some customers have reported running Exchange Server 2016 on Windows Server 2016. Crashes of the IIS (W3WP.exe) process have been reported causing instability of Exchange Server on Windows…